Adafruit Particle/Spark NeoPixel Ring Kit - 24 NeoPixels [Discontinued] _RPI_CASE but it takes significant technical

but it takes significant technical drudgery to get beyond frenetic-rainbow-fade into territory where the lighting can really add to an art piece instead of distracting from it

Inner Diameter: 17

Native USB support is built into the chip

If pixels are left on continuously for over 1000 hours

Adafruit Particle/Spark NeoPixel Ring Kit - 24 NeoPixels [Discontinued] _RPI_CASE but it takes significant technicalAdd some dazzle to your Spark Core or Photon with this custom made NeoPixel ring kit! 24 ultra bright smart LED NeoPixels are arranged in a circle with 2. 6" (66mm) outer diameter. Snap in your Spark and upload the NeoPixel library code to light up the LEDs, make an Internet of Blinky! Each LED is addressable as the driver chip is inside the LED. Each one has ~18mA constant current drive so the color will be very consistent even if the voltage varies,